However, although this conclusion was found from the experiment, this has never been reported
in earlier studies of adolescent depression.
He and his collaborators employed both simple and complex computer models in
early studies of the role of clouds in climate change, and in research on the climatic effects of massive volcanic eruptions.
Yet
earlier studies by his research group had shown that females can't hear sounds this low.
She and colleagues combined data from 13
earlier studies on intelligence, some published and some unpublished.
This small reduction in risk is comparable to that
from earlier studies in which the doses were much higher.
The Canadian study is consistent with
earlier study finding that once an athlete suffers a concussion, the risk of suffering a second concussion is three to four times greater.
Earlier studies showed that it could help athletes perfect their game, but recent investigations conclude that the same principle holds for kids learning math as well.
That was in line
with earlier studies finding, for instance, that people with one form of MS have different gut bacteria than healthy people.
Similar findings were also replicated in other
earlier studies using self - report questionnaires [15][16].
Earlier studies looking at the relationship between breastfeeding and breast cancer often missed this protective effect because they did not take into account the length of time breastfeeding.
Earlier studies based on blood - fat data and other observations about people with heart disease linked cardiovascular disease with trans fat consumption.
That approach is based on the results of
many earlier studies that have found attending preschool helps kids from disadvantaged backgrounds start kindergarten on a stronger academic footing.
Although
earlier studies indicated that establishing protected areas in poor regions can lead to reductions in poverty, there was no clear understanding why or how it happens.
This contradicts
earlier studies which had found a link between inadequate parenting and emotional climate.
This is in line with earlier studies [7].
Earlier studies focused mainly on adults, while some looked at young people in more limited geographical areas, such as individual hospitals or cities, or used more limited surveillance data.
This greater reduction in injuries for females is encouraging
since earlier studies have shown that neck injuries are more likely among women in rear impacts than men.
Several earlier studies have attempted to eliminate cancer cells from biopsy tissue, but they showed contradictory results.
Often in research,
earlier studies provide a starting point for laboratory work, but in this case we had to start from the beginning.
The study is the first to demonstrate a clear causal effect,
whereas earlier studies primarily have looked at correlations, which are difficult to interpret.
But such teacher discretion, while arguably desirable as a matter of policy, is the primary
reason earlier studies of social promotion are flawed.
Earlier studies on this technique have shown it to be effective at promoting happier and more satisfying relationships over three to five years.
Earlier studies also showed this yummy treat as having mild sun - protective properties, helping to reduce UV - induced damage.
Why did looking at a single family yield information that you could not get from
earlier studies of large groups?
The researchers note that their findings point to more widespread deficits in mitochondrial function compared
with earlier studies.
Early studies indicate that these formulas improve vision and mental development, but long - term studies are necessary to determine lasting benefits.
She also noted that
earlier studies looked at brain measurements at one point in time, whereas the current study followed people over time.
Unlike earlier studies, recent research indicates that dairy fat may not significantly contribute to chronic inflammation.